From b4b01e75188223c4df67aef7300acc39d9378748 Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Fri, 6 Aug 2021 17:19:36 +0900
Subject: [PATCH 1/3] prefab field

---
 .../VRM10/Editor/Components/VRM10ObjectEditor.cs   | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/Assets/VRM10/Editor/Components/VRM10ObjectEditor.cs b/Assets/VRM10/Editor/Components/VRM10ObjectEditor.cs
index fa61e3737..b7bdb22e3 100644
--- a/Assets/VRM10/Editor/Components/VRM10ObjectEditor.cs
+++ b/Assets/VRM10/Editor/Components/VRM10ObjectEditor.cs
@@ -22,7 +22,7 @@ namespace UniVRM10
         SerializedPropertyEditor m_meta;
         SerializedPropertyEditor m_lookAt;
         SerializedPropertyEditor m_firstPerson;
-        SerializedPropertyEditor m_asset;
+        SerializedProperty m_prefab;
 
         void OnEnable()
         {
@@ -36,10 +36,22 @@ namespace UniVRM10
             m_meta = VRM10MetaEditor.Create(serializedObject);
             m_lookAt = SerializedPropertyEditor.Create(serializedObject, nameof(m_target.LookAt));
             m_firstPerson = SerializedPropertyEditor.Create(serializedObject, nameof(m_target.FirstPerson));
+
+            m_prefab = serializedObject.FindProperty("m_prefab");
         }
 
         public override void OnInspectorGUI()
         {
+            // prefab
+            if (_tab == Tabs.FirstPerson && m_prefab.objectReferenceValue == null)
+            {
+                EditorGUILayout.HelpBox("required !", MessageType.Error);
+            }
+            serializedObject.Update();
+            EditorGUILayout.ObjectField(m_prefab);
+            serializedObject.ApplyModifiedProperties();
+            EditorGUILayout.Separator();
+
             // select sub editor
             using (new EnabledScope())
             {

From f28b5f93df545d87311865086f6318cf8dafab65 Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Fri, 6 Aug 2021 17:24:05 +0900
Subject: [PATCH 2/3] assign vrmObject.Prefab when Extract

---
 Assets/VRM10/Editor/ScriptedImporter/RemapEditorVrm.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Assets/VRM10/Editor/ScriptedImporter/RemapEditorVrm.cs b/Assets/VRM10/Editor/ScriptedImporter/RemapEditorVrm.cs
index 86a952ceb..9093b11b8 100644
--- a/Assets/VRM10/Editor/ScriptedImporter/RemapEditorVrm.cs
+++ b/Assets/VRM10/Editor/ScriptedImporter/RemapEditorVrm.cs
@@ -78,6 +78,8 @@ namespace UniVRM10
             // vrmObject の expression を置き換える
             var vrmObject = AssetDatabase.LoadAllAssetsAtPath(importer.assetPath).First(x => x is VRM10Object) as VRM10Object;
             vrmObject.Expression.Replace(map);
+            vrmObject.Prefab = prefab; // for FirstPerson Editor
+
             // extract
             ExtractSubAsset(vrmObject, $"{path}/{vrmObject.name}.asset", false);
 

From 081dbae6ff58aa8116dfe89aaf1babbba6735a44 Mon Sep 17 00:00:00 2001
From: ousttrue <ousttrue@gmail.com>
Date: Fri, 6 Aug 2021 17:42:20 +0900
Subject: [PATCH 3/3] first person `set default` button

---
 .../Editor/Components/VRM10ObjectEditor.cs    | 12 ++++++++-
 .../VRM10Object/VRM10ObjectFirstPerson.cs     | 27 ++++++++++---------
 2 files changed, 25 insertions(+), 14 deletions(-)

diff --git a/Assets/VRM10/Editor/Components/VRM10ObjectEditor.cs b/Assets/VRM10/Editor/Components/VRM10ObjectEditor.cs
index b7bdb22e3..55efce643 100644
--- a/Assets/VRM10/Editor/Components/VRM10ObjectEditor.cs
+++ b/Assets/VRM10/Editor/Components/VRM10ObjectEditor.cs
@@ -1,5 +1,7 @@
-using UniGLTF;
+using System.Linq;
+using UniGLTF;
 using UnityEditor;
+using UnityEngine;
 
 namespace UniVRM10
 {
@@ -74,6 +76,14 @@ namespace UniVRM10
                     break;
 
                 case Tabs.FirstPerson:
+                    using (new EditorGUI.DisabledScope(m_target.Prefab == null))
+                    {
+                        if (GUILayout.Button("set default"))
+                        {
+                            m_target.FirstPerson.SetDefault(m_target.Prefab.transform);
+                        }
+                        EditorGUILayout.HelpBox("Clear Renderers and add all renderers (Auto)", MessageType.Info);
+                    }
                     m_firstPerson.OnInspectorGUI();
                     break;
             }
diff --git a/Assets/VRM10/Runtime/Components/VRM10Object/VRM10ObjectFirstPerson.cs b/Assets/VRM10/Runtime/Components/VRM10Object/VRM10ObjectFirstPerson.cs
index aaafcdf99..8e80e8f84 100644
--- a/Assets/VRM10/Runtime/Components/VRM10Object/VRM10ObjectFirstPerson.cs
+++ b/Assets/VRM10/Runtime/Components/VRM10Object/VRM10ObjectFirstPerson.cs
@@ -11,20 +11,21 @@ namespace UniVRM10
     {
         [SerializeField]
         public List<RendererFirstPersonFlags> Renderers = new List<RendererFirstPersonFlags>();
+        public void SetDefault(Transform root)
+        {
+            Renderers.Clear();
 
-        // public void CopyTo(GameObject _dst, Dictionary<Transform, Transform> map)
-        // {
-        //     var dst = _dst.GetOrAddComponent<VRM10Controller>();
-        //     dst.Vrm.FirstPerson.Renderers = Renderers.Select(x =>
-        //     {
-        //         var renderer = map[x.Renderer.transform].GetComponent<Renderer>();
-        //         return new RendererFirstPersonFlags
-        //         {
-        //             Renderer = renderer,
-        //             FirstPersonFlag = x.FirstPersonFlag,
-        //         };
-        //     }).ToList();
-        // }
+            var renderers = root.GetComponentsInChildren<Renderer>();
+            var paths = renderers.Select(x => x.transform.RelativePathFrom(root)).ToArray();
+            foreach (var path in paths)
+            {
+                Renderers.Add(new RendererFirstPersonFlags
+                {
+                    FirstPersonFlag = UniGLTF.Extensions.VRMC_vrm.FirstPersonType.auto,
+                    Renderer = path,
+                });
+            }
+        }
 
         // If no layer names are set, use the default layer IDs.
         // Otherwise use the two Unity layers called "VRMFirstPersonOnly" and "VRMThirdPersonOnly".